Atsumi Toda / Mbed 2 deprecated altitude_TP

S-240 高度計のプログラム

Dependencies:   mbed

main.cpp

Committer:
Joeatsumi
Date:
2017-11-14
Revision:
0:733ff8649dbe

File content as of revision 0:733ff8649dbe:

#include "mbed.h"
/*For the 10 meter sensors (MB1260, MB1261, MB1360, MB1361), 
  this pin outputs analog voltage with a scaling factor of (Vcc/1024) per 2 cm.  
  A supply of 5V yields ~4.9mV/2cm., and 3.3V yields ~3.2mV/2cm. 
  The output is buffered and corresponds to the most recent range data*/

DigitalOut myled(LED1);

AnalogIn vin(p15);

double ain=0;

int main() {
    while(1) {
        myled=1;
        ain=vin.read()*3.3;
       printf("ain=%.4fV,altitude=%.1fm\r\n",ain,ain*1000/1.6/100);
      /*   printf("ain=%.4fV,altitude=%.1fm\r\n",ain,ain*1000/2.45/100);*/
        
        wait(0.5);
        
        
    }
}